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You know all those write-ups on how to build a hi-steer 44 with ‘almost any’ Chevy axle/flat tops/spindles and then Ford F150 rotors. Well the ‘73’ ¾ ton Chevy K20 4WD Suburban axle I have is one that doesn’t fall in with the “almost any” axles the 10+ write-ups I’ve read talks about. The outer wheel bearings (Set 45) fit fine but inner wheel bearings (Set 37) will not fit on the spindles, they require a larger bearing. I’ve found that Chevy offered 2 axle options for the ¾ ton axle, 44-F and 44-5HDF. The ‘heavy duty’ is thicker in the inner bearing area and requires a larger bearing that doesn’t fit the ‘85’ F150 hubs.

Does anyone know if I could turn down the spindles to fit the Set 37 bearings without loosing the integrity of the spindles? Is there a different bearing to use that would fit both the hubs and spindles? A different hub that’s 5 on 5.5?

Thanks, Cuz
 

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Sounds like you got the small bearing spindles....
Or maybe you need the small bearing ones... I always get confused..

I'm pretty sure you have the far right one.
You need the spindle second from the right..

 
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